WinXP is not really designed to run DOS apps such as MAME, but you could try using VDMSound. It's a SB16 emulator that works with DOS apps under WinNT4/2K/XP.(posted 8405 days ago)As for removing the blurring, you can disable the hardware stretching with the -nohws switch. The blurring is done by your video card drivers, so there isn't a lot that can be done about.